Question

Two objects are connected to a rope, and the rope is hung over a pulley connected to the ceiling, as shown in the figure below.

Two objects, labeled *m*_{1} and
*m*_{2}, are connected to a rope which is hung over
a pulley connected to the ceiling. The pulley is of mass *M*
and radius *R*. An object labeled *m*_{1}
hangs suspended off the surface on the left side of the pulley. An
object *m*_{2} is on the right side of the pulley
and rests on a surface below. *m*_{1} is larger than
*m*_{2}.

The masses of the objects are *m*_{1} = 17.0 kg
and *m*_{2} = 11.0 kg, the mass of the pulley is
*M* = 5.00 kg, and the radius of the pulley is *R* =
0.300 m. Object *m*_{2} is initially on the floor,
and object *m*_{1} is initially 5.00 m above the
floor when it is released from rest. The pulley's axis has
negligible friction. The mass of the rope is small enough to be
ignored, and the rope does not slip on the pulley, nor does it
stretch.

(a)

How much time (in s) does it take object *m*_{1}
to hit the floor after being released?

Δ*t*_{1} = s

(b)

How would your answer to part (a) change if the mass of the
pulley were neglected? (Enter the time, in seconds, it takes object
*m*_{1} to hit the floor if the mass of the pulley
were neglected.)

Δ*t*_{2} = s

Answer #1

Two masses are connected by a light string passing over a light,
frictionless pulley as in Figure P5.63. The m1
= 4.75 kg object is released from rest at a point 4.00 m above the
floor, where the m2 = 3.20 kg object rests.
Please define all variables in solving
(a) Determine the speed of each object when the two pass each
other.
(b) Determine the speed of each object at the moment the 4.75 kg
mass hits the floor....

An Atwood's machine consists of blocks of masses
m1 = 12.0 kg
and
m2 = 22.0 kg
attached by a cord running over a pulley as in the figure below.
The pulley is a solid cylinder with mass
M = 7.60 kg
and radius
r = 0.200 m.
The block of mass m2 is allowed to drop, and
the cord turns the pulley without slipping.
Two objects, blocks labeled m1 and
m2, are connected to a cord which is hung...

Consider the system shown in the figure below with m1 = 23.0 kg,
m2 = 12.8 kg, R = 0.130 m, and the mass of the pulley M = 5.00 kg.
Object m2 is resting on the floor, and object m1 is 4.90 m above
the floor when it is released from rest. The pulley axis is
frictionless. The cord is light, does not stretch, and does not
slip on the pulley. (a) Calculate the time interval required for m1...

Consider the system shown in the figure below with m1 = 21.0 kg,
m2 = 10.7 kg, R = 0.130 m, and the mass of the pulley M = 5.00 kg.
Object m2 is resting on the floor, and object m1 is 4.60 m above
the floor when it is released from rest. The pulley axis is
frictionless. The cord is light, does not stretch, and does not
slip on the pulley. (a) Calculate the time interval required for m1...

Two masses
are connected to one another with a massless rope that passes over
a massless and frictionless pulley as shown in the figure below.
When the two mass system is released from rest, the hanging
mass
m2
= 31.5 kg
accelerates upward at a rate of 2.3 m/s2.
The coefficient of kinetic friction between
m1
and the
incline is 0.08, and the angle of inclination of the ramp is 57
degrees. For the entirety of this problem, air resistance...

A mass m1 is connected by a light string that passes
over a pulley of mass M to a mass m2 sliding on a
frictionless horizontal surface as shown in the figure. There is no
slippage between the string and the pulley. The pulley has a radius
of 25.0 cm and a moment of inertia of ½ MR2. If
m1 is 1.00 kg, m2 is 2.00 kg, and M is 4.00
kg, then what is the tension in the string...

Two blocks are connected by a massless string that runs across a
frictionless pulley with a mass of 5.00 kg and a radius of 10.0 cm.
The first block with an unknown mass of m1 sits on a horizontal
surface and is also connected to a spring with a spring constant of
k = 250 N/m. The coefficient of kinetic friction between the first
block and the surface is 0.400. The second block with a mass of m2
= 6.00...

Two blocks hang from either end of a massless rope that runs
over a pulley, treated as a thin solid disk, (An Atwood's Machine),
and are held in place. One block has a mass of 12.0 kg, the pulley
has a mass of 2.00 kg and radius 5.00 cm, and the other block's
mass is unknown. The blocks are released from rest, and after an
unspecified period of time, the block of known mass has descended
2.50 m and has...

A block with mass m1 hangs from a rope that is extended over an
ideal pulley and attached to a second block with mass m2 that sits
on a ledge. The second block is also connected to a third block
with mass m3 by a second rope that hangs over a second ideal pulley
as shown in the figure below. If the friction between the ledge and
the second block is negligible, m1 = 2.60 kg, m2 = 4.00 kg,...

Objects with masses m1 = 12.0 kg and
m2 = 8.0 kg are connected by a light string
that passes over a frictionless pulley as in the figure below. If,
when the system starts from rest, m2 falls 1.00
m in 1.48 s, determine the coefficient of kinetic friction between
m1 and the table.
Express the friction force in terms of the coefficient of kinetic
friction. Obtain an expression for the acceleration in terms of the
masses and the...

ADVERTISEMENT

Get Answers For Free

Most questions answered within 1 hours.

ADVERTISEMENT

asked 7 minutes ago

asked 8 minutes ago

asked 8 minutes ago

asked 14 minutes ago

asked 15 minutes ago

asked 15 minutes ago

asked 16 minutes ago

asked 18 minutes ago

asked 20 minutes ago

asked 25 minutes ago

asked 31 minutes ago

asked 33 minutes ago